Enbridge sticks with Michigan oil spill estimate; EPA says it can’t measure spill size

MARSHALL, Mich. – Enbridge Inc. is sticking with its previous estimate that about 843,000 gallons of oil were spilled from a pipeline in southern Michigan last year.

A posting this week on a U.S. Environmental Protection Agency website says about 1.1 million gallons of oil have been recovered since a July 2010 pipeline rupture near Marshall. Much of the oil wound up in the Kalamazoo River.

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The EPA said Wednesday the recovered oil total includes oily water, soil, sediments and debris. The agency says it can’t state how much oil was lost from the pipeline.

An Enbridge spokesman says the 1.1 million gallons includes oil lost from the pipeline and other material recovered from the spill site, including non-petroleum and potential petroleum-based materials.

The pipeline runs from Griffith, Ind., to Sarnia, Ontario.